Main products: 1.Electret Condenser Microphone. 2.E-Cigarette Controller Boards----C6027L-C104-T; C6027L-C104R(B)-RS. Weifang Qinyi Electron Science and Technology Co., Ltd. is one of the leading Acoustic components manufacturers in China. We integrate the design, production and sale. Qinyi can supply you with high quality Electret Condenser Microphone for various purposes, such as :wireless telephones, mobile phones, earphones, PC, language-learning recorders, radio recorders, cassette recorders, alarms, voice control toys and microphones. According to the market demands of Electronic Cigarette, We developed the Electronic Cigarette Controller and obtained patent certificate. Adhering to the tenet of "Quality is Our Prime Service and Clients are Our God", we have won a high reputation both at home and abroad. If you are interested in any of our products, please contact us for more details!